Push your limits this December! Ride, skate, or run 100+ miles between December 1st and 31st and enter for a chance to win O2 Custom Factory gear. This challenge rewards consistency, dedication, and performance across cycling, skating, and running.

Track your miles, push your limits, and finish the year stronger than ever. Every mile counts toward your chance to win, and every 100+ mile finisher earns a 20% coupon. Don’t miss out on this opportunity to reward your effort and start the new year with new O2 Custom Factory gear!

1. Join the O2 Collective Strava club HERE

2. Log all cycling, running, and skating activities on Strava.

3. Accumulate 100+ miles in any combination of sports during December.

4. Ensure your Strava account is set to public or club-visible so your miles can be verified.

Tag us in your workouts on social media!

- Only miles logged between December 1st–31st count toward the challenge.

- Distances logged outside the O2 Strava Club or outside the challenge period will not be eligible.

-Each participant is responsible for logging accurate distances. O2 Custom Factory reserves the right to verify activities.

- Only one Strava account per participant may be used. Multiple accounts will result in disqualification.

- Participants must follow O2 Custom Factory on Instagram to be eligible for prizes.

- You’ll receive one extra raffle entry for every workout you post on Instagram that tags @o2customfactory.

- Raffle winners will be randomly selected from participants who reach 100+ miles.

- Prizes are non-transferable and cannot be exchanged for cash.

O2 Custom Factory reserves the right to modify or cancel the challenge at any time.